Automobile bumper



FIG. 1 is a perspective view of an automobile bumper, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a left-side elevation view thereof; and,

FIG. 7 is a rear view thereof. 

The ornamental design for an automobile bumper, as shown and described. 